Home / 14,279,324,143.20-21,418,986,214.80-12,728,366,728.80

Finding the Fourth Proportional to 14,279,324,143.20, 21,418,986,214.80 and 12,728,366,728.80

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Solution

The fourth proportional to 14,279,324,143.20, 21,418,986,214.80 and 12,728,366,728.80 is: 19,092,550,093.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,279,324,143.20 : 21,418,986,214.80 = 12,728,366,728.80 : x
  2. Step 2: Convert to fraction form
    14,279,324,143.20/21,418,986,214.80 = 12,728,366,728.80/x
  3. Step 3: Cross multiply
    14,279,324,143.20x = 21,418,986,214.80 × 12,728,366,728.80
  4. Step 4: Simplify right side
    14,279,324,143.20x = 272,628,711,501,086,130,176
  5. Step 5: Solve for x
    x = 272,628,711,501,086,130,176/14,279,324,143.20
  6. Step 6: Final answer
    x = 19,092,550,093.20

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.